package com.cx.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.http.HttpStatus;

public class H5Filter implements Filter {

	@Override
	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)throws IOException, ServletException {
		HttpServletResponse response = (HttpServletResponse) servletResponse;
		HttpServletRequest request = (HttpServletRequest) servletRequest;
		// 指定允许其他域名访问
		response.addHeader("Access-Control-Allow-Origin", "*");
		
		response.addHeader("Access-Control-Allow-Credentials", "true");
		// 响应类型
		response.setHeader("Access-Control-Allow-Methods", "POST, GET, DELETE, OPTIONS, DELETE");

		// 响应头设置
		response.setHeader("Access-Control-Allow-Headers", "Content-Type, x-requested-with, X-Custom-Header, HaiYi-Access-Token,token");

		if ("OPTIONS".equals(request.getMethod())) {
			response.setStatus(HttpStatus.SC_NO_CONTENT);
		}

		filterChain.doFilter(servletRequest, servletResponse);
	}
}
